INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4340c81cf564f62b2463f242ee9a728223a1ba74aa37ce315174bfd560a47e08', 
    'Fql15LSU8ofUCsD1Af7jO0QLbZCQ8eldyUhZ0PRuuZU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)